<!DOCTYPE html>
<html lang="zn-CH">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .diyige {
        border-color: pink;
        text-align: center;
        margin-top: 10%;
    }
</style>

<body>

    <table cellspacing="0" cellpadding="10" border="1" align="center" class="diyige ">
        <tr>
            <td align="right ">用户名</td>
            <td><input type="text " placeholder="手机号码/邮箱 "></input>
            </td>
        </tr>
        <tr>
            <td align="right ">密码</td>
            <td><input type="text " placeholder="密码 "></input>
            </td>
        </tr>
        <tr>
            <td></td>
            <td><input type="reset">
                <input type="submit">
            </td>
        </tr>
    </table>
</body>

</html>